Pencil2D’s code relies heavily on Qt so it is impossible to compile it without Qt on your system. You do not however need to use Qt Creator to modify the code. You can use any IDE as long as you use the qmake tool in your build process. The Qt Creator has this set up automatically so it is the easiest solution and the one that I would recommend, but it is theoretically possible to set it up in other programs.

@velocireed You’re welcome. I just browsed the Qt docs based on learning you’re using Xcode and it seems you can convert a QT .pro project file to an xcode file. there seems to be info here with the command line arguments: